{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "DNA", "cell type", "RNA", "protein"], "input": "This approach allows the convenient generation of RNA polymerase II transcription systems from Saccharomyces cerevisiae , human lymphocytes , and Schizosaccharomyces pombe ."}
{"cell line": [], "DNA": [], "cell type": ["human lymphocytes"], "RNA": [], "protein": ["RNA polymerase II"]}